deminer vs miner

deminer

noun
  • One who removes explosive mines. 

miner

noun
  • An operator of ordnance mines and similar explosives. 

  • Any bird of one of four species of Australian endemic honeyeaters in the genus Manorina. 

  • A person who works in a mine. 

  • Any bird of one of several species of South American ovenbirds in the genus Geositta. 

  • Software or hardware that mines, or creates new units of cryptocurrency; someone engaged in mining. 

How often have the words deminer and miner occurred in a corpus of books? (source: Google Ngram Viewer )